<?php
/**
 * Theme customizer sanitization
 *
 * @package Block Lite
 * @since Block Lite 1.0
 */


/**
* Sanitize Categories.
*
* @param array $input Sanitizes user input.
* @return array
*/
function block_lite_sanitize_categories( $input, $setting ) {
	$input = absint($input);
	return is_string(get_the_category_by_ID( $input )) ? $input :  $setting->default;
}

/**
* Sanitize Mulitple Selection.
*
* @param array $input Sanitizes user input.
* @return array
*/
function block_lite_sanitize_multi_select( $input ) {
	$valid = block_lite_blog_categories();

	foreach ( $input as $value ) {
		if ( ! array_key_exists( $value, $valid ) ) {
			return;
		}
	}

	return $input;
}

/**
 * Sanitize Font Pairings
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_font_pairing( $input ) {
	$font_pairings = array(
		'quicksand_roboto',
		'oswald',
		'droid_serif',
		'montserrat',
		'merriweather',
		'raleway',
		'roboto_slab',
		'roboto',
		'playfair_display',
		'source_sans_pro',
		'quicksand',
		'lora',
		'helvetica_neue',
		'oswald_droid_serif',
		'montserrat_merriweather',
		'raleway_roboto_slab',
		'playfair_display_source_sans_pro',
		'merriweather_encode_sans',
		'lato_merriweather',
		'quicksand_lora',
		'lato',
		'encode_sans',
		'lily_script',
		'cinzel',
		'shrikhand',
		'cinzel_roboto',
		'patua_one',
		'amatic_sc',
		'berkshire_swash',
		'abril_fatface',
		'monoton'
	);

	if ( in_array( $input, $font_pairings, true ) ) {
		return $input;
	} else {
		return '';
	}
}

/**
 * Sanitize Font Weights
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_font_weight( $input ) {
	$font_weights = array(
		'normal',
		'bold',
		'lighter'
	);

	if ( in_array( $input, $font_weights, true ) ) {
		return $input;
	} else {
		return '';
	}
}

/**
 * Sanitize Pages.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_pages( $input ) {
	$pages = get_all_page_ids();

	if ( in_array( $input, $pages, true ) ) {
			return $input;
	} else {
		return '';
	}
}

/**
 * Sanitize Slideshow Transition Interval.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_transition_interval( $input ) {
	 $valid = array(
			 '2000' 		=> esc_html__( '2 Seconds', 'block-lite' ),
			 '4000' 		=> esc_html__( '4 Seconds', 'block-lite' ),
			 '6000' 		=> esc_html__( '6 Seconds', 'block-lite' ),
			 '8000' 		=> esc_html__( '8 Seconds', 'block-lite' ),
			 '10000' 	=> esc_html__( '10 Seconds', 'block-lite' ),
			 '12000' 	=> esc_html__( '12 Seconds', 'block-lite' ),
			 '20000' 	=> esc_html__( '20 Seconds', 'block-lite' ),
			 '30000' 	=> esc_html__( '30 Seconds', 'block-lite' ),
			 '60000' 	=> esc_html__( '1 Minute', 'block-lite' ),
			 '999999999'	=> esc_html__( 'Hold Frame', 'block-lite' ),
	 );

	 if ( array_key_exists( $input, $valid ) ) {
			 return $input;
		} else {
			 return '';
		}
}

/**
 * Sanitize Slideshow Transition Style.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_transition_style( $input ) {
	 $valid = array(
			 'fade' 		=> esc_html__( 'Fade', 'block-lite' ),
			 'slide' 	=> esc_html__( 'Slide', 'block-lite' ),
	 );

	 if ( array_key_exists( $input, $valid ) ) {
			 return $input;
		} else {
			 return '';
		}
}

/**
 * Sanitize Columns.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_columns( $input ) {
	 $valid = array(
			 'one' 		=> esc_html__( 'One Column', 'block-lite' ),
			 'two' 		=> esc_html__( 'Two Columns', 'block-lite' ),
			 'three' 	=> esc_html__( 'Three Columns', 'block-lite' ),
			 'four' 	=> esc_html__( 'Four Columns', 'block-lite' ),
			 'five' 	=> esc_html__( 'Five Columns', 'block-lite' ),
	 );

	 if ( array_key_exists( $input, $valid ) ) {
			 return $input;
		} else {
			 return '';
		}
}

/**
 * Sanitize Alignment.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_align( $input ) {
	 $valid = array(
			 'left' 		=> esc_html__( 'Left Align', 'block-lite' ),
			 'center' 		=> esc_html__( 'Center Align', 'block-lite' ),
			 'right' 	=> esc_html__( 'Right Align', 'block-lite' ),
	 );

	 if ( array_key_exists( $input, $valid ) ) {
			 return $input;
		} else {
			 return '';
		}
}

/**
 * Sanitize Colors.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_title_color( $input ) {
	 $valid = array(
			 'black' 	=> esc_html__( 'Black', 'block-lite' ),
			 'white' 	=> esc_html__( 'White', 'block-lite' ),
	 );

	 if ( array_key_exists( $input, $valid ) ) {
			 return $input;
		} else {
			 return '';
		}
}

/**
 * Sanitize Checkboxes.
 *
 * @param array $input Sanitizes user input.
 * @return array
 */
function block_lite_sanitize_checkbox( $input ) {
	if ( 1 == $input ) {
		return 1;
	} else {
		return '';
	}
}